Car racing is one of the classic elements in Hollywood movies.

名车、竞速、街头飙车，都是好莱坞动作片的经典元素之一。

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Other researchers have been racing to find other methods to reprogram cells, but most of them have proved less efficient than the classic technique.

其他研究人员也已竞相寻找其他手段令细胞重新编程，但大部分被证实效率还不如经典方法。

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Other researchers have been racing to find other methods to reprogram cells, but most of them have proved less efficient than the classic technique.

其他研究人员也已竞相寻找其他手段令细胞重新编程，但大部分被证实效率还不如经典方法。

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